PD on a hoop normally signifies palladium. Your ring may very well be palladium-plated if it's PD written about it. HK is a trademark that stands for Harriet Kelsall. They design and supply jewellery everywhere in the British isles and also to other sites at the same time.  Simply by https://casper77-situs-game-onlin91123.blog-gold.com/49153692/the-definitive-guide-to-jp88